import axios from 'axios'
import { ElNotification, ElMessageBox, ElMessage, ElLoading } from 'element-plus'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import { tansParams, blobValidate } from '@/utils/ruoyi'
import cache from '@/plugins/cache'
import { saveAs } from 'file-saver'
import useUserStore from '@/store/modules/user'
let downloadLoadingInstance
// 是否显示重新登录
export let isRelogin = { show: false }

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL: import.meta.env.VITE_APP_BASE_API,
    // baseURL: 'http://222.132.97.42:30208/prod-api',
    // 超时
    timeout: 60000,
})

// request拦截器
service.interceptors.request.use(
    config => {
        // 是否需要设置 token
        const isToken = (config.headers || {}).isToken === false
        // 是否需要防止数据重复提交
        const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
        if (getToken() && !isToken) {
            config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
        }
        // get请求映射params参数
        if (config.method === 'get' && config.params) {
            let url = config.url + '?' + tansParams(config.params)
            url = url.slice(0, -1)
            config.params = {}
            config.url = url
        }
        if (
            config.url === '/mes/file/addOrEditMesFile' ||
            config.url === '/produce/getById' ||
            config.url === '/mes/info/getputratio' ||
            config.url === '/mesTechnologyStandard/list' ||
            config.url === '/printTechnology/list' ||
            config.url === '/produce//bindFMTask' ||
            config.url === '/produce/getTaskLeast'
        ) {
        } else {
            if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
                const requestObj = {
                    url: config.url,
                    data:
                        typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
                    time: new Date().getTime(),
                }
                const requestSize = Object.keys(JSON.stringify(requestObj)).length // 请求数据大小
                const limitSize = 5 * 1024 * 1024 // 限制存放数据5M
                if (requestSize >= limitSize) {
                    console.warn(
                        `[${config.url}]: ` +
                            '请求数据大小超出允许的5M限制，无法进行防重复提交验证。'
                    )
                    return config
                }
                const sessionObj = cache.session.getJSON('sessionObj')
                if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
                    cache.session.setJSON('sessionObj', requestObj)
                } else {
                    const s_url = sessionObj.url // 请求地址
                    const s_data = sessionObj.data // 请求数据
                    const s_time = sessionObj.time // 请求时间
                    const interval = 2000 // 间隔时间(ms)，小于此时间视为重复提交
                    if (
                        s_data === requestObj.data &&
                        requestObj.time - s_time < interval &&
                        s_url === requestObj.url
                    ) {
                        const message = '数据正在处理，请勿重复提交'
                        console.warn(`[${s_url}]: ` + message)
                        return Promise.reject(new Error(message))
                    } else {
                        cache.session.setJSON('sessionObj', requestObj)
                    }
                }
            }
        }

        return config
    },
    error => {
        console.log(error)
        Promise.reject(error)
    }
)

// 响应拦截器
service.interceptors.response.use(
    res => {
        // 未设置状态码则默认成功状态
        const code = res.data.code || 200
        // 获取错误信息
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        // 二进制数据则直接返回
        if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
            return res.data
        }
        if (code === 401) {
            console.log(res)
            if (!isRelogin.show) {
                isRelogin.show = true
                ElMessageBox.confirm(
                    '登录状态已过期，您可以继续留在该页面，或者重新登录',
                    '系统提示',
                    {
                        confirmButtonText: '重新登录',
                        cancelButtonText: '取消',
                        type: 'warning',
                    }
                )
                    .then(() => {
                        isRelogin.show = false
                        useUserStore()
                            .logOut()
                            .then(() => {
                                location.href = '/index'
                            })
                    })
                    .catch(() => {
                        isRelogin.show = false
                    })
            }
            return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code === 500) {
            ElMessage({ message: msg, type: 'error' })
            return Promise.reject(new Error(msg))
        } else if (code === 601) {
            ElMessage({ message: msg, type: 'warning' })
            return Promise.reject(new Error(msg))
        } else if (code !== 200) {
            ElNotification.error({ title: msg })
            return Promise.reject('error')
        } else {
            return Promise.resolve(res.data)
        }
    },
    error => {
        console.log('err' + error)
        let { message } = error
        if (message == 'Network Error') {
            message = '后端接口连接异常'
        } else if (message.includes('timeout')) {
            message = '系统接口请求超时'
        } else if (message.includes('Request failed with status code')) {
            message = '系统接口' + message.substr(message.length - 3) + '异常'
        }
        ElMessage({ message: message, type: 'error', duration: 5 * 1000 })
        return Promise.reject(error)
    }
)

// 通用下载方法
export function download(url, params, filename, config) {
    downloadLoadingInstance = ElLoading.service({
        text: '正在下载数据，请稍候',
        background: 'rgba(0, 0, 0, 0.7)',
    })
    return service
        .post(url, params, {
            transformRequest: [
                params => {
                    return tansParams(params)
                },
            ],
            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
            responseType: 'blob',
            ...config,
        })
        .then(async data => {
            const isBlob = blobValidate(data)
            if (isBlob) {
                const blob = new Blob([data])
                saveAs(blob, filename)
            } else {
                const resText = await data.text()
                const rspObj = JSON.parse(resText)
                const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
                ElMessage.error(errMsg)
            }
            downloadLoadingInstance.close()
        })
        .catch(r => {
            console.error(r)
            ElMessage.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close()
        })
}

export default service
